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AP ICET 2019 Shift 2 Paper
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© examsnet.com
Question : 135
Total: 200
d
d
x
(
t
a
n
−
1
(
1
+
t
a
n
x
1
−
t
a
n
x
)
)
=
4
0
2
1
Validate
Solution:
d
d
tan
−
1
(
tan
(
π
4
+
x
)
)
d
d
x
(
π
4
+
x
)
=
1
© examsnet.com
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